Despatch MIC1162 Hi-limit - Manual (Page 30)

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STEP DESCRIPTION DISPLAY
CODE AVAILABLE SETTINGS FACTORY
SETTING
18 Display Enable diSP 1 = Display Setpoint*
2 = Display Process
Variable
3 = Display Process
Variable** and Setpoint
4 = Display Blank
* If configured for both
high and low limit ,the
high limit setpoint will be
in the upper display and
the low limit in the lower
display.
** If configured for both
high and low limit,
pressing the up key
while in control mode
will display high limit
setpoint. Pressing the
down key will display the
low limit setpoint. 3
1
Applies only if process alarm is selected in Configuration mode.
2
Applies only if a linear input has been specified.
3
Only if an alarm is active.
NOTE: Euu and EuL parameters can not be adjusted within the range of the SPhi and
SPlo parameters of the Setpoint Change Mode. SPhi and SPlo may need to be
changed before properly setting Euu and EuL.
MAXIMUM/MINIMUM HOLD
A parameter is available that tracks and saves the maximum (high limit) or minimum
(low limit) excursions of the process variable.
This parameter is a read only parameter and is viewed in the Set-Up mode, display
code HiHd (maximum hold) and LoHd (minimum hold).
To reset this parameter, select the parameter and with the numeric value in the upper
display, press and hold the UP or DOWN keys. After about 5 seconds, the upper
display will indicate ---- for about another 2 seconds, then change to 0.00. Release the
key.
The value will be held through a supply power down/power up cycle.